CVE-2022-30477: tenda ac18_firmware Out-of-bounds Write
CVSS: 9.8v3.1CriticalModified
Published 26-05-2022Last modified 03-08-2024
Vulnerability summary
CVE-2022-30477 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in tenda ac18_firmware. EPSS estimates a 1.40% chance of exploitation in the next 30 days, higher than 72.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
1.40%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 26-05-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Tenda AC Series Router AC18_V15.03.05.19(6318) was discovered to contain a stack-based buffer overflow in the httpd module when handling /goform/SetClientState request.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.40%
Chance of exploitation in the next 30 days
Percentile
72%
Versus all other CVEs
30-day change
+0.02 pp
From 1.38% on 22-09-2026
22-09-202622-10-2026
EPSS score1.40%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundVulnrepo
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Tenda1 product
- ac18_firmware15.03.05.19\(6318\)
1 vendor · 1 product